<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片区域 -->
    <el-card>
      <!-- 搜索框和添加商品按钮区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容"
                    v-model="GoodsInfo.query" clearable
                    @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddGoods">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- tab表格区域 -->
      <el-table :data="GoodsList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price"  width="95"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight"  width="70"></el-table-column>
        <el-table-column label="创建时间" prop="add_time"  width="140">
          <template slot-scope="scope">
            {{scope.row.add_time | dataFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作"  width="130">
          <template slot-scope="scope">
            <el-button size="mini"
                       type="primary"
                       icon="el-icon-edit" circle
                       @click="edit(scope.row.goods_id)"></el-button>
            <el-button size="mini"
                       type="danger"
                       icon="el-icon-delete" circle
                       @click="removeGoods(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="GoodsInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="GoodsInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background>
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
/* eslint-disable */
export default {
  data() {
    return {
      GoodsInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      //商品列表
      GoodsList: [],
      //总数据条数
      total: 0
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    //根据分页获取对应的商品列表
    async getGoodsList() {
      const {data: res} = await this.$http.get('goods', {
        params: this.GoodsInfo
      })
      if(res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      this.$message.success('获取商品列表成功')
      this.GoodsList = res.data.goods
      this.total = res.data.total
    },
    //获取最新的展示条数
    handleSizeChange(newSize) {
      this.GoodsInfo.pagesize = newSize
      this.getGoodsList()
    },
    //获取最新的页码值
    handleCurrentChange(newPage) {
      this.GoodsInfo.pagenum = newPage
      this.getGoodsList()
    },
    //根据id进行删除对应商品信息
    async removeGoods(id) {
      const confirmResult = await this.$confirm('确认删除该商品信息吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if(confirmResult !== 'confirm') {
        return this.$message.info('取消删除商品')
      }
      const {data: res} = await this.$http.delete('goods/' + id)
      if(res.meta.status !== 200) {
        return this.$message.error('删除商品失败')
      }
      this.$message.success('删除商品成功')
      this.getGoodsList()
    },
    goAddGoods() {
      this.$router.push('/goods/add')
    },
    edit(id) {
      this.$router.push({
        path: '/goods/edit',
        query: {id: id}
      })
    }
  }
}
</script>

<style scoped>
</style>
